[plt-scheme] silly question...

David Herman writes:
 > The other day I came up with a hack that allows you to use a 
 > macro-elaboration-time structure instance as a macro. I haven't tried 
 > it but I bet you could set! the macro field to something else from 
 > within a syntax-case body, which would have a similar effect to 
 > set-syntax!.

Right, but I don't want to mutate an expansion-time object, I want to
mutate a binding in the transformer environment.

--dougo at place.org